1244453312 has 28 divisors (see below), whose sum is σ = 2614726800. Its totient is φ = 585624576.

The previous prime is 1244453297. The next prime is 1244453347. The reversal of 1244453312 is 2133544421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570812 + ... + 572987.

It is an arithmetic number, because the mean of its divisors is an integer number (93383100).

Almost surely, 2^1244453312 is an apocalyptic number.

It is an amenable number.

1244453312 is an abundant number, since it is smaller than the sum of its proper divisors (1370273488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244453312 is a wasteful number, since it uses less digits than its factorization.

1244453312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143828 (or 1143818 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 1244453312 is about 35276.8098330901. The cubic root of 1244453312 is about 1075.6216521951.

Adding to 1244453312 its reverse (2133544421), we get a palindrome (3377997733).

It can be divided in two parts, 12444 and 53312, that added together give a palindrome (65756).

The spelling of 1244453312 in words is "one billion, two hundred forty-four million, four hundred fifty-three thousand, three hundred twelve".